Torque w 1/2 x 1.2 x 2000 x 1.94 x (2.62)^ x 5 



Power Required = — rr-r 



,000 ft lb 



2:rtf X T lOit 80,000 



60 



550 



= 76 hp. 



Allowing for friction losses in the gear box and support bearings the 

 hp requirements are estimated to be about 2 x 76 = 152 hp. At $50. 

 per hp the cost of mechanical equipment = 152 x 50 = $7,600. 



3. The total cost from the above is summarized in the following 



table. 



Material, including support structure 



$ 51,000 



Fabrication 



100,000 



Associated mechanical equipment 



7,600 



Total estimated cost 



$158,600 



57 



